Synology DSM (DiskStation Manager) Vulnerabilities & Security Advisories
9 advisories tracked · Synology PSIRT (security@synology.com CNA) via NVD · 0 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Synology advisory that VulniPulse classified as DSM (DiskStation Manager), with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 1 critical, 3 high, 5 medium.
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Synology PSIRT (security@synology.com CNA) via NVD
Synology is its own CVE Numbering Authority. VulniPulse ingests Synology's CVEs from the NVD CNA feed (security@synology.com), grouped by their official Synology_SA_YY_NN advisory, then enriches each from the advisory page — a fully server-rendered page carrying Synology's own severity rating, the affected-product / fixed-release table and the mitigation section. Covers DSM (DiskStation Manager), SRM (Router Manager), BeeStation, Synology Photos, Surveillance Station, Synology Drive and the SSL VPN Client.
Latest Synology DSM (DiskStation Manager) advisories
Critical [CVE-2026-40541 +2] improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in extract domain in Synology Chat Server before 2.4.5-22148 allows remote authenticated users, via a UI interaction, to read or write arbitrary files and conduct denial-of-service attacks in DSM
Synology has released a security update for the Synology Chat Server package in DSM to address multiple vulnerabilities: CVE-2026-40541 allows remote authenticated users to read or write arbitrary files and conduct denial-of-service attacks. CVE-2026-9491 allows remote authenticated users to obtain non-sensitive information. Please refer to the ' Affected products named by the advisory: Synology Chat Server for DSM 7.3; Synology Chat Server for DSM 7.2.2; Synology Chat Server for DSM 7.2.1.
Medium [CVE-2026-9548] improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in extract domain in Synology Chat Server before 2.4.5-22148 allows remote authenticated users, via a UI interaction, to read or write restricted files and conduct limited denial-of-service attacks in DSM
Synology has released a security update for the Synology Chat Server package in DSM to address multiple vulnerabilities: CVE-2026-40541 allows remote authenticated users to read or write arbitrary files and conduct denial-of-service attacks. CVE-2026-9491 allows remote authenticated users to obtain non-sensitive information. Please refer to the ' Affected products named by the advisory: Synology Chat Server for DSM 7.3; Synology Chat Server for DSM 7.2.2; Synology Chat Server for DSM 7.2.1.
Medium [CVE-2026-9491] server-ide request forgery (SSRF) vulnerability in webhook in Synology Chat Server before 2.4.5-22148 allows remote authenticated users to obtain non-sensitive information
Synology has released a security update for the Synology Chat Server package in DSM to address multiple vulnerabilities: CVE-2026-40541 allows remote authenticated users to read or write arbitrary files and conduct denial-of-service attacks. CVE-2026-9491 allows remote authenticated users to obtain non-sensitive information. Please refer to the ' Affected products named by the advisory: Synology Chat Server for DSM 7.3; Synology Chat Server for DSM 7.2.2; Synology Chat Server for DSM 7.2.1.
High [CVE-2025-30028] vulnerability in Active Backup for Business allows unauthorized remote attackers to read arbitrary files
A vulnerability in Active Backup for Business allows unauthorized remote attackers to read arbitrary files. Affected products named by the advisory: Active Backup for Business for DSM 7.2; Active Backup for Business for DSM 7.1; Active Backup for Business for DSM 6.2.
High [CVE-2025-14713] Exposed Dangerous Method or Function vulnerability in Synology C2 Identity Edge Server package in DSM before 1.76.0-0307 allows remote attackers to obtain user credentials from the edge server
An Exposed Dangerous Method or Function vulnerability in Synology C2 Identity Edge Server package in DSM before 1.76.0-0307 allows remote attackers to obtain user credentials from the edge server. Affected products named by the advisory: C2. Affected products named by the advisory: C2 Identity Edge Server for DSM 7.3; C2 Identity Edge Server for DSM 7.2.2; C2 Identity Edge Server for DSM 7.2.1; C2 Identity Edge Server for DSM 7.1.
High [CVE-2025-13392] Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name (DN)
Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name (DN). Affected products named by the advisory: DSM 7.3; DSM 7.2.2.
Medium [CVE-2026-2237] use of get request method with sensitive query strings vulnerability in volume encryption of Synology Storage Manager package before 1.0.1-1100 allows local users on Windows to obtain sensitive information
A use of get request method with sensitive query strings vulnerability in volume encryption of Synology Storage Manager package before 1.0.1-1100 allows local users on Windows to obtain sensitive information. Affected products named by the advisory: Storage Manager for DSM 7.3; Storage Manager for DSM 7.2.2; Storage Manager for DSM 7.2.1.
Medium [CVE-2025-13167] Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in contact functionality in Synology Contacts before 1.0.10-20659 allows remote authenticated users to read or write specific files containing non-sensitive information via unspecified vectors
Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in contact functionality in Synology Contacts before 1.0.10-20659 allows remote authenticated users to read or write specific files containing non-sensitive information via unspecified vectors. Affected products named by the advisory: Synology Contacts for DSM 7.3; Synology Contacts for DSM 7.2.2; Synology Contacts for DSM 7.2.1.
Medium [CVE-2024-47267 +5] Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in Archiving Pull functionality in Synology Surveillance Station before 9.2.2-11575 and 9.2.2-9575 allows remote authenticated users with administrator privileges to limited file write via unspecified vectors
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in Archiving Pull functionality in Synology Surveillance Station before 9.2.2-11575 and 9.2.2-9575 allows remote authenticated users with administrator privileges to limited file write via unspecified vectors. Affected products named by the advisory: Surveillance Station for DSM 7.2; Surveillance Station for DSM 7.1; Surveillance Station for DSM 6.2.